/* roulang page: index */
:root {
      --bg-main: #0B0E14;
      --bg-surface: #141923;
      --bg-card: #1A2130;
      --text-main: #FFFFFF;
      --text-muted: #94A3B8;
      --color-primary: #00FF88;
      --color-accent: #00E5FF;
      --border-subtle: rgba(255, 255, 255, 0.08);
    }
    html {
      scroll-behavior: smooth;
      background-color: var(--bg-main);
      color: var(--text-main);
    }
    body {
      overflow-x: hidden;
      font-feature-settings: "cv02", "cv03", "cv04", "cv11";
    }
    .hero-glow {
      background: radial-gradient(circle at 50% 30%, rgba(0, 255, 136, 0.15) 0%, rgba(11, 14, 20, 0) 70%);
    }
    .card-hover {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-hover:hover {
      transform: translateY(-4px);
      border-color: rgba(0, 255, 136, 0.35);
      box-shadow: 0 12px 30px -10px rgba(0, 255, 136, 0.12);
    }
    .pulse-dot {
      box-shadow: 0 0 0 0 rgba(255, 59, 48, 0.7);
      animation: pulse 1.6s infinite cubic-bezier(0.66, 0, 0, 1);
    }
    @keyframes pulse {
      to {
        box-shadow: 0 0 0 8px rgba(255, 59, 48, 0);
      }
    }
    details > summary::-webkit-details-marker {
      display: none;
    }
    details[open] summary svg {
      transform: rotate(180deg);
    }